2. Geometric measurement methods
2.1 Atmospheric measurements
Atmospheric phenomena of particular interest to topographers are :
refraction (variations in the refractive index that cause a change in the speed and direction of electromagnetic waves, which affects angle, distance and GNSS measurements);
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scattering, radiation interaction, either with :
air molecules and atoms (Rayleigh scattering),
aerosols and small dust particles suspended in the air (Mie scattering), which plays a direct role in the radiometry of aerial or space images required for photogrammetry.
Rayleigh scattering is intimately linked to the ultraviolet...
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Geometric measurement methods
Measurement processing and management
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